Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 15:40

General

  • Target

    e970f9e2ec144c5ec34795077e766faf_JaffaCakes118.exe

  • Size

    3.8MB

  • MD5

    e970f9e2ec144c5ec34795077e766faf

  • SHA1

    5367d294a6c1dc83fb7a882361853c5a29c0683b

  • SHA256

    746842c10c2347545cc71c7778200193d1f4f32400d2861075cbbc1292c530d9

  • SHA512

    986bc24fafad17ce6d2984efbb19c6d6a6709e9c2fea32b8c19b5fb781eeae2b8086da1f417fda00a77e24e55215ca868d6777599f30ffb1a84faaf2d22d5567

  • SSDEEP

    98304:ciWxwGGs7wAkGuXodeCIDmh+Mr7wvtFR:c27s7RuXHTDG+MP+tF

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba payload 12 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 2 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e970f9e2ec144c5ec34795077e766faf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e970f9e2ec144c5ec34795077e766faf_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:464
    • C:\Users\Admin\AppData\Local\Temp\e970f9e2ec144c5ec34795077e766faf_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e970f9e2ec144c5ec34795077e766faf_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:640
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:676
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4248
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:2880
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\rss\csrss.exe

    Filesize

    3.8MB

    MD5

    e970f9e2ec144c5ec34795077e766faf

    SHA1

    5367d294a6c1dc83fb7a882361853c5a29c0683b

    SHA256

    746842c10c2347545cc71c7778200193d1f4f32400d2861075cbbc1292c530d9

    SHA512

    986bc24fafad17ce6d2984efbb19c6d6a6709e9c2fea32b8c19b5fb781eeae2b8086da1f417fda00a77e24e55215ca868d6777599f30ffb1a84faaf2d22d5567

  • memory/464-6-0x0000000000400000-0x0000000000B0A000-memory.dmp

    Filesize

    7.0MB

  • memory/464-3-0x0000000000400000-0x0000000000B0A000-memory.dmp

    Filesize

    7.0MB

  • memory/464-1-0x00000000040F0000-0x00000000044A3000-memory.dmp

    Filesize

    3.7MB

  • memory/464-5-0x00000000044B0000-0x0000000004B9F000-memory.dmp

    Filesize

    6.9MB

  • memory/464-4-0x0000000000400000-0x0000000003A80000-memory.dmp

    Filesize

    54.5MB

  • memory/464-2-0x00000000044B0000-0x0000000004B9F000-memory.dmp

    Filesize

    6.9MB

  • memory/2056-11-0x0000000000400000-0x0000000003A80000-memory.dmp

    Filesize

    54.5MB

  • memory/3804-14-0x0000000000400000-0x0000000003A80000-memory.dmp

    Filesize

    54.5MB

  • memory/3804-15-0x0000000000400000-0x0000000003A80000-memory.dmp

    Filesize

    54.5MB

  • memory/3804-16-0x0000000000400000-0x0000000003A80000-memory.dmp

    Filesize

    54.5MB

  • memory/3804-18-0x0000000000400000-0x0000000003A80000-memory.dmp

    Filesize

    54.5MB

  • memory/3804-20-0x0000000000400000-0x0000000003A80000-memory.dmp

    Filesize

    54.5MB

  • memory/3804-22-0x0000000000400000-0x0000000003A80000-memory.dmp

    Filesize

    54.5MB